MAC address 34:76:C5 (I-O DATA, INC.)

MAC address prefix 34:76:C5 is registered to I-O DATA, INC., located at 3-10, SAKURADA-MACHI, KANAZAWA ISHIKAWA 920-8512, JP. This registration is classified as MA-L (MAC Address Block Large) containing 16,777,216 MAC addresses (2^24). The prefix was initially registered on 08 April 2012, with the most recent update made on 02 July 2026.

Vendor & Registry Dossier

Public Allocation

Assigned Prefix

34:76:C5

Registrant / Organization

I-O DATA, INC.

Registry Chronology

Initial registration: 08 April 2012

Last updated: 02 July 2026

Assignment Classification

MA-L

(MAC Address Block Large) containing 16,777,216 MAC addresses (2^24)

Registered Location

Country: Japan (JP)

Headquarters Registered Facility 🇯🇵 JP

3-10
SAKURADA-MACHI
KANAZAWA ISHIKAWA 920-8512
JP.

REST API v2

200 OK

CLI curl -s https://api.maclookup.app/v2/macs/3476c5 -H 'Accept: application/json'

{
  "success": true,
  "found": true,
  "macPrefix": "3476C5",
  "company": "I-O DATA, INC.",
  "address": "3-10, SAKURADA-MACHI, KANAZAWA ISHIKAWA 920-8512, JP",
  "country": "JP",
  "blockStart": "3476C5000000",
  "blockEnd": "3476C5FFFFFF",
  "blockSize": 16777215,
  "blockType": "MA-L",
  "updated": "2026-07-02",
  "isRand": false,
  "isPrivate": false
}